diff options
Diffstat (limited to 'meta/recipes-devtools/go/go/0001-cmd-go-make-content-based-hash-generation-less-pedan.patch')
| -rw-r--r-- | meta/recipes-devtools/go/go/0001-cmd-go-make-content-based-hash-generation-less-pedan.patch | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/meta/recipes-devtools/go/go/0001-cmd-go-make-content-based-hash-generation-less-pedan.patch b/meta/recipes-devtools/go/go/0001-cmd-go-make-content-based-hash-generation-less-pedan.patch new file mode 100644 index 0000000000..43be5cd2e8 --- /dev/null +++ b/meta/recipes-devtools/go/go/0001-cmd-go-make-content-based-hash-generation-less-pedan.patch @@ -0,0 +1,165 @@ +From fb22e586871cc6be0b7041e86d2daceee06ea568 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Mon, 28 Mar 2022 10:59:03 -0700 +Subject: [PATCH] cmd/go: make content-based hash generation less pedantic + +Go 1.10's build tool now uses content-based hashes to +determine when something should be built or re-built. +This same mechanism is used to maintain a built-artifact +cache for speeding up builds. + +However, the hashes it generates include information that +doesn't work well with OE, nor with using a shared runtime +library. + +First, it embeds path names to source files, unless +building within GOROOT. This prevents the building +of a package in GOPATH for later staging into GOROOT. + +This patch adds support for the environment variable +GOPATH_OMIT_IN_ACTIONID. If present, path name +embedding is disabled. + +Upstream-Status: Inappropriate [OE specific] + +Signed-off-by: Alex Kube <alexander.j.kube@gmail.com> +Signed-off-by: Matt Madison <matt@madison.systems> +Signed-off-by: Khem Raj <raj.khem@gmail.com> + +--- + src/cmd/go/internal/envcmd/env.go | 2 +- + src/cmd/go/internal/work/exec.go | 42 ++++++++++++++++++++++++------- + 2 files changed, 34 insertions(+), 10 deletions(-) + +diff --git a/src/cmd/go/internal/envcmd/env.go b/src/cmd/go/internal/envcmd/env.go +index 81ee859..2db3898 100644 +--- a/src/cmd/go/internal/envcmd/env.go ++++ b/src/cmd/go/internal/envcmd/env.go +@@ -176,7 +176,7 @@ func ExtraEnvVars() []cfg.EnvVar { + func ExtraEnvVarsCostly() []cfg.EnvVar { + b := work.NewBuilder("") + +- cppflags, cflags, cxxflags, fflags, ldflags, err := b.CFlags(&load.Package{}) ++ cppflags, cflags, cxxflags, fflags, ldflags, err := b.CFlags(&load.Package{}, false) + if err != nil { + // Should not happen - b.CFlags was given an empty package. + fmt.Fprintf(os.Stderr, "go: invalid cflags: %v\n", err) +diff --git a/src/cmd/go/internal/work/exec.go b/src/cmd/go/internal/work/exec.go +index c88b315..a06455c 100644 +--- a/src/cmd/go/internal/work/exec.go ++++ b/src/cmd/go/internal/work/exec.go +@@ -213,6 +213,8 @@ func (b *Builder) Do(ctx context.Context, root *Action) { + writeActionGraph() + } + ++var omitGopath = os.Getenv("GOPATH_OMIT_IN_ACTIONID") != "" ++ + // buildActionID computes the action ID for a build action. + func (b *Builder) buildActionID(a *Action) cache.ActionID { + p := a.Package +@@ -234,7 +236,7 @@ func (b *Builder) buildActionID(a *Action) cache.ActionID { + if p.Module != nil { + fmt.Fprintf(h, "module %s@%s\n", p.Module.Path, p.Module.Version) + } +- } else if p.Goroot { ++ } else if p.Goroot || omitGopath { + // The Go compiler always hides the exact value of $GOROOT + // when building things in GOROOT. + // +@@ -266,9 +268,9 @@ func (b *Builder) buildActionID(a *Action) cache.ActionID { + } + if len(p.CgoFiles)+len(p.SwigFiles)+len(p.SwigCXXFiles) > 0 { + fmt.Fprintf(h, "cgo %q\n", b.toolID("cgo")) +- cppflags, cflags, cxxflags, fflags, ldflags, _ := b.CFlags(p) ++ cppflags, cflags, cxxflags, fflags, ldflags, _ := b.CFlags(p, true) + +- ccExe := b.ccExe() ++ ccExe := filterCompilerFlags(b.ccExe(), true) + fmt.Fprintf(h, "CC=%q %q %q %q\n", ccExe, cppflags, cflags, ldflags) + // Include the C compiler tool ID so that if the C + // compiler changes we rebuild the package. +@@ -281,14 +283,14 @@ func (b *Builder) buildActionID(a *Action) cache.ActionID { + } + } + if len(p.CXXFiles)+len(p.SwigCXXFiles) > 0 { +- cxxExe := b.cxxExe() ++ cxxExe := filterCompilerFlags(b.cxxExe(), true) + fmt.Fprintf(h, "CXX=%q %q\n", cxxExe, cxxflags) + if cxxID, err := b.gccToolID(cxxExe[0], "c++"); err == nil { + fmt.Fprintf(h, "CXX ID=%q\n", cxxID) + } + } + if len(p.FFiles) > 0 { +- fcExe := b.fcExe() ++ fcExe := filterCompilerFlags(b.fcExe(), true) + fmt.Fprintf(h, "FC=%q %q\n", fcExe, fflags) + if fcID, err := b.gccToolID(fcExe[0], "f95"); err == nil { + fmt.Fprintf(h, "FC ID=%q\n", fcID) +@@ -305,7 +307,7 @@ func (b *Builder) buildActionID(a *Action) cache.ActionID { + } + } + if p.Internal.BuildInfo != "" { +- fmt.Fprintf(h, "modinfo %q\n", p.Internal.BuildInfo) ++ //fmt.Fprintf(h, "modinfo %q\n", p.Internal.BuildInfo) + } + + // Configuration specific to compiler toolchain. +@@ -2705,8 +2707,25 @@ func envList(key, def string) []string { + return args + } + ++var filterFlags = os.Getenv("CGO_PEDANTIC") == "" ++ ++func filterCompilerFlags(flags []string, keepfirst bool) []string { ++ var newflags []string ++ var realkeepfirst bool = keepfirst ++ if !filterFlags { ++ return flags ++ } ++ for _, flag := range flags { ++ if strings.HasPrefix(flag, "-m") || realkeepfirst { ++ newflags = append(newflags, flag) ++ realkeepfirst = false ++ } ++ } ++ return newflags ++} ++ + // CFlags returns the flags to use when invoking the C, C++ or Fortran compilers, or cgo. +-func (b *Builder) CFlags(p *load.Package) (cppflags, cflags, cxxflags, fflags, ldflags []string, err error) { ++func (b *Builder) CFlags(p *load.Package, filtered bool) (cppflags, cflags, cxxflags, fflags, ldflags []string, err error) { + defaults := "-g -O2" + + if cppflags, err = buildFlags("CPPFLAGS", "", p.CgoCPPFLAGS, checkCompilerFlags); err != nil { +@@ -2724,6 +2743,13 @@ func (b *Builder) CFlags(p *load.Package) (cppflags, cflags, cxxflags, fflags, l + if ldflags, err = buildFlags("LDFLAGS", defaults, p.CgoLDFLAGS, checkLinkerFlags); err != nil { + return + } ++ if filtered { ++ cppflags = filterCompilerFlags(cppflags, false) ++ cflags = filterCompilerFlags(cflags, false) ++ cxxflags = filterCompilerFlags(cxxflags, false) ++ fflags = filterCompilerFlags(fflags, false) ++ ldflags = filterCompilerFlags(ldflags, false) ++ } + + return + } +@@ -2739,7 +2765,7 @@ var cgoRe = lazyregexp.New(`[/\\:]`) + + func (b *Builder) cgo(a *Action, cgoExe, objdir string, pcCFLAGS, pcLDFLAGS, cgofiles, gccfiles, gxxfiles, mfiles, ffiles []string) (outGo, outObj []string, err error) { + p := a.Package +- cgoCPPFLAGS, cgoCFLAGS, cgoCXXFLAGS, cgoFFLAGS, cgoLDFLAGS, err := b.CFlags(p) ++ cgoCPPFLAGS, cgoCFLAGS, cgoCXXFLAGS, cgoFFLAGS, cgoLDFLAGS, err := b.CFlags(p, false) + if err != nil { + return nil, nil, err + } +@@ -3246,7 +3272,7 @@ func (b *Builder) swigIntSize(objdir string) (intsize string, err error) { + + // Run SWIG on one SWIG input file. + func (b *Builder) swigOne(a *Action, p *load.Package, file, objdir string, pcCFLAGS []string, cxx bool, intgosize string) (outGo, outC string, err error) { +- cgoCPPFLAGS, cgoCFLAGS, cgoCXXFLAGS, _, _, err := b.CFlags(p) ++ cgoCPPFLAGS, cgoCFLAGS, cgoCXXFLAGS, _, _, err := b.CFlags(p, false) + if err != nil { + return "", "", err + } |